随着岁月的推移,屋子里累积了很多书.In the course of the years many books had accumulated in the house.但是, 灌溉使小麦和棉花的种植进一步向西推移.However, irrigation has extended both wheat and cotton farming further west.对于高粘性泥沙, 临界推移力就成为不重要的.For highly coh...
目的合成邻苯二甲酸二环己酯半抗原衍生物和合格的人工全抗原,探讨其制备方法.Objective To study the preparation and characterization of hapten and artificial antigen of dicyclohexyl phthalate....
Her son used sign language to tell her what happened.她儿子用手语告诉她发生了什么事。Sometimes I talk to the people in the offices in sign language.有时候我用手势语和办公室里的人聊天.They communicated in sign language.他们用手语交流。...